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theremin

(Encyclopedia)theremin thĕrˈəmən [key], one of the earliest electronic musical instruments, invented (1920) in the Soviet Union and named for its creator, Leon Theremin. A forerunner of the synthesizer, it cons...

Bardeen, John

(Encyclopedia)Bardeen, John bärdēnˈ [key], 1908–91, American physicist, b. Madison, Wis., grad. Univ. of Wisconsin (B.S. 1928, M.S. 1929), Ph.D. Princeton, 1936. He was a research physicist at the Bell Telepho...

Sancho III, king of Navarre

(Encyclopedia)Sancho III or Sancho the Great sänˈchō [key], c.970–1035, king of Navarre (1000–1035). Having inherited the kingdom of Navarre, which included Aragón, he launched an annexation campaign that m...

Simon, Jules

(Encyclopedia)Simon, Jules zhül sēmôNˈ [key], 1814–96, French statesman. His full name was Jules François Simon Suisse. He taught philosophy at the Sorbonne from 1839 to 1852, during which time he edited the...

Guanajuato, state, Mexico

(Encyclopedia)Guanajuato gwänähwäˈtō [key], state, 11,805 sq mi (30,575 sq km), W central Mexico, on the ...

Managua

(Encyclopedia)Managua mänäˈgwä [key], city (1995 pop. 819,731), W Nicaragua, capital and largest city of Nicaragua, on the southern shore of Lake Managua. It is the commercial and industrial center of the count...

Cowell, Henry Dixon

(Encyclopedia)Cowell, Henry Dixon kouˈəl [key], 1897–1965, American composer and pianist, b. Menlo Park, Calif., largely self-educated, studied musicology in Berlin (1931–32). Cowell experimented with new mus...

americium

(Encyclopedia)americium ămərĭˈshēəm [key], artificially produced radioactive chemical element; symbol Am; at. no. 95; mass no. of most stable isotope 243; m.p. about 1,175℃; b.p. about 2,600℃; sp. gr. 13....

Kingsolver, Barbara

(Encyclopedia)Kingsolver, Barbara, 1955–, American writer, b. Annapolis, Md., B.S. DePauw Univ., 1977, M.S. Univ. of Arizona, 1981. She studied biology and ecology and was a science writer before completing The B...

Valladolid

(Encyclopedia)Valladolid välyäᵺōlēᵺˈ [key], city (1990 pop. 333,680), capital of Valladolid prov. and the administrative center of Castile and León, N central Spain, at the confluence of the Pisuerga and ...